PRP Records

Probable Primes Top 10000

(302252 PRPs in the top)


What is a PRP ?

A PRP is a probable prime number, a number that nobody knows how to prove or disprove its primality.
Here are some criterions that can be used to recognize these numbers :

- N does not have any prime factor up to 2^32.
- N cannot be trivially written into a product.
- Take 3 square-free consecutive bases such that (b1/N)=(b2/N)=(b3/N)= -1. N should be such that b1^((N-1)/2)=b2^((N-1)/2)=b3^((N-1)/2)= -1 (mod N).
- Take a prime base such that (b/N)= -1 and b<>b1<>b2<>b3. N should pass the strong test in base b.
- or more (if someone has got an idea) !!!


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1-250   251-500   501-750   751-1000   1001-1250   1251-1500   1501-1750   1751-2000   
2001-2250   2251-2500   2501-2750   2751-3000   3001-3250   3251-3500   3501-3750   3751-4000   
4001-4250   4251-4500   4501-4750   4751-5000   5001-5250   5251-5500   5501-5750   5751-6000   
6001-6250   6251-6500   6501-6750   6751-7000   7001-7250   7251-7500   7501-7750   7751-8000   
8001-8250   8251-8500   8501-8750   8751-9000   9001-9250   9251-9500   9501-9750   9751-10000   


Rank Probable prime Digits (> 50000) Who ? When ?
9001norm(Mod(x,x^3-x-1)^852167-1)104070Paul Vanderveen09/2022
90022^345704-149104068Lelio R Paula09/2011
900325821^10712+10712^25821104056Hans Havermann09/2020
9004(2^345662+2038)/2104055Stefano Morozzi09/2020
90056^133704-17273104042Enzo Doria02/2013
9006(3*2^345590-1)/23104033Lelio R Paula03/2014
9007(19*2^345590+1)/33859104030Lelio R Paula12/2013
90082^345547+11104021Lelio R Paula09/2011
9009(19*10^104014-49)/3104015Robert Price05/2019
9010(2^345519+1794)/2104012Stefano Morozzi01/2021
90112^345504+723104008Lelio R Paula09/2011
90122^345498-20037104006Enzo Doria06/2013
901418^82854-37104005Lelio R Paula01/2017
9013(2^345497+2070)/2104005Stefano Morozzi09/2020
90152^345486-109065104002Enzo Doria04/2014
90162^345487-1851507104002Enzo Doria08/2015
90172^345476+777103999Lelio R Paula09/2011
9018(2^345477+1554)/2103999Stefano Morozzi09/2020
90194*10^103981-83103982Robert Price10/2018
9020(2^345327+3206)/2103954Stefano Morozzi09/2020
9021(5*2^345321-1)/3103953Lelio R Paula03/2014
9022(2^345267-9)/539049127103927Lelio R Paula12/2013
9023(19*10^103907+77)/3103908Robert Price05/2019
9024(78557*2^345163+1)/78589103905Lelio R Paula07/2014
90252^345106-112181103888Enzo Doria06/2014
9026(2^345105+1326)/2103887Stefano Morozzi02/2021
90272^345079+99103880Lelio R Paula09/2011
9028(2^345034+1198)/2103866Stefano Morozzi09/2020
902911^99736-1500103865Enzo Doria12/2012
9030(569^37699-1)/568103863Serge Batalov06/2022
9031(2^345010+2082)/2103859Stefano Morozzi09/2020
903223263^23784-23784^23263103857Norbert Schneider01/2020
90333*10^103844+31103845Robert Price06/2021
9034444*33^68368+19103821Eric Chen05/2023
903523927^21814+21814^23927103813Hans Havermann09/2020
90362^344842-20157103808Enzo Doria06/2013
9037(47*2^344822+1)/1071103801Lelio R Paula05/2015
90382^344802-20765103796Enzo Doria06/2013
90392^344794-3821103794Yves Minet05/2011
90402^344782-109103103790Enzo Doria04/2014
90413^217521-112292103784Enzo Doria06/2014
90422^344759-3505103783Lelio R Paula11/2016
90432^344735-147103776Lelio R Paula09/2011
9044L(496533)-p(496533)103770Robert Price02/2018
90452*10^103749-69103750Robert Price03/2018
9046(55459*2^344617+1)/3103745Lelio R Paula07/2014
90472^344607-108891103738Enzo Doria03/2014
9049(2^344608+3798)/2103738Stefano Morozzi02/2021
9048(1097^34123-1)/1096103738Serge Batalov06/2022
90502^344560+22411103723Enzo Doria09/2023
9051(148*10^103718-1)/3103720Robert Price03/2020
90522^344541-19561103718Enzo Doria05/2013
9053(1017*2^344529-1)/569103714Lelio R Paula05/2015
9054(8896^26263-1)/8895103714Serge Batalov06/2022
9055(2^344503+1758)/2103706Stefano Morozzi09/2020
9056(4*10^103703-1)/3103704Serge Batalov08/2009
90572^344444-455103688Yves Minet03/2012
9058(4*10^103678-43)/3103679Robert Price01/2022
9059(13*53^238539*617^9)/10^307661103673Hans Havermann06/2017
9060(2^344367+2738)/2103665Stefano Morozzi01/2021
90622^344317-109933103650Enzo Doria04/2014
906126055^9508+9508^26055103650Hans Havermann09/2020
90632^344309-1852033103648Enzo Doria08/2015
906425729^10672+10672^25729103643Hans Havermann09/2020
9065(2^344289+1166)/2103642Stefano Morozzi09/2020
90663*10^103637+61103638Robert Price09/2020
9067(2^344246+1614)/2103629Stefano Morozzi09/2020
90682^344213-21253103619Enzo Doria06/2013
90692^344196-465103614Lelio R Paula11/2016
90702^344187-20001103611Enzo Doria06/2013
9071(117191#+(355573#)/(117191#))/(200233679)103602Makoto Morimoto10/2017
9072(237^43627-1)/236103601Serge Batalov06/2022
907320^79621-19^79621103590Jean-Louis Charton03/2011
9074Phi(155391,10)/1243129103586Maksym Voznyy09/2015
9075(9^108553-2^108553)/7103586Jon Grantham07/2023
90762^344085-20365103580Enzo Doria06/2013
90775^148169+54103566Lelio R Paula11/2016
90782^344017-108795103560Enzo Doria03/2014
9079(2^343974+2670)/2103547Stefano Morozzi09/2020
90802^343971-5077103546Lelio R Paula09/2011
9081(7*10^103531+71)/3103532Robert Price05/2018
90822^343899+141103524Lelio R Paula08/2011
9083(2^343933+1)/(3*98294339989393)103520Gord Palameta08/2018
90846^133029-67103517Lelio R Paula11/2016
9085(17*2^343877+1)/13625103515Lelio R Paula12/2013
908666*10^103507+7103509Robert Price07/2020
908726297^8614+8614^26297103485Hans Havermann09/2020
9088(2^343764+2658)/2103483Stefano Morozzi09/2020
908926499^8036+8036^26499103480Hans Havermann09/2020
9090(103^51413-1)/4478483706103477Paul Vanderveen06/2025
9091(136*10^103474-1)/9103476Serge Batalov12/2014
90925^148014-24103458Lelio R Paula11/2016
909325^74007-24103458Anonymous09/2024
909428316^4503+4503^28316103453Hans Havermann09/2020
9095(22*10^103450+53)/3103451Robert Price07/2019
90962^343604+9931103436Yves Minet01/2011
90972^343601-21189103435Enzo Doria06/2013
9098(10^103423+173)/3103423Robert Price05/2021
90992^343508-115229103407Enzo Doria06/2015
9100(8766^26227-1)/8765103404Serge Batalov06/2022
9101(509203*2^343491-1)/16147103403Lelio R Paula05/2015
91023^216685-113056103386Enzo Doria07/2014
910324829^14580+14580^24829103382Hans Havermann08/2020
910491355!4+1024103381Robert Price09/2019
910544^62903-43^62903103379Jean-Louis Charton08/2012
910611^99262-20103371Lelio R Paula12/2016
9107(509203*2^343357-1)/5103366Lelio R Paula05/2015
9108(2^343363+3570)/2103363Stefano Morozzi09/2020
91092^343356-2791889103361Enzo Doria03/2016
9110(25*10^103360-241)/9103361Robert Price05/2018
9111Phi(104989,10)/2939693103350Maksym Voznyy09/2015
9112(371*33^68040-19)/32103321Eric Chen05/2023
911324826^14511+14511^24826103319Hans Havermann09/2020
91142^343182-171103309Lelio R Paula08/2011
9115(23619^23619+23620^23620)/7187103294David Broadhurst09/2009
9116(16487^24649-1)/(16487^157-1)103287Ryan Propper11/2023
9117(10680^25639-1)/10679103285Serge Batalov06/2022
9118(7427^26683-1)/7426103282Serge Batalov06/2022
91192^343079-1835611103278Enzo Doria05/2015
91202^343063-1147103273Yves Minet06/2013
912124741^14930+14930^24741103271Hans Havermann09/2020
9122(16*10^103255-73)/3103256Robert Price07/2020
9123(219^44119-1)/218103256Serge Batalov06/2022
91249*6^132689+7103254Lelio R Paula11/2014
91252^342979-18085103247Enzo Doria05/2013
9126(16*10^103244-31)/3103245Robert Price03/2019
91272^342966-16995103244Lelio R Paula11/2016
912823797^21774+21774^23797103230Hans Havermann09/2020
912925388^11637+11637^25388103224Hans Havermann09/2020
9130(2^342876+2086)/2103216Stefano Morozzi09/2020
9131(16*10^103214-31)/3103215Robert Price03/2019
9133(37*10^103211+611)/9103212Robert Price11/2018
9132(238*10^103210-1)/3103212Robert Price04/2020
91345^147650+16103203Lelio R Paula11/2016
9135gcd(Phi(852060,10),(10^42603+1)^3*(10^42603+1-10^21302)+(10^85206+10^42603)*(10^21302+1)+10^127809)103201Serge Batalov04/2015
9136Phi(852060L,10)103201Anonymous03/2025
91372^342817+2707067103199Enzo Doria03/2016
913843^63177-42103198Theodore Burton02/2007
91392^342805-21025103195Enzo Doria06/2013
914024129^18890+18890^24129103182Hans Havermann09/2020
9141(622*10^103171-1)/9103173Robert Price11/2021
91422^342714+12285103168Lelio R Paula11/2016
9143(2*10^103161-17)/3103161Serge Batalov11/2022
914418^82178-4481103156Enzo Doria03/2013
91452^342665-17349103153Enzo Doria05/2013
914630408^2467+2467^30408103150Hans Havermann09/2020
9147(5^147571-3^147571)/2103148Kellen Shenton05/2022
9148(2^342615+3090)/2103138Stefano Morozzi09/2020
91492^342612+175103137Lelio R Paula08/2011
91505*2^342585-3103130Lelio R Paula09/2014
9151(16*10^103127+77)/3103128Robert Price03/2019
9152(2^342527+3774)/2103111Stefano Morozzi02/2021
91532^342503-19209103104Enzo Doria05/2013
9154(2^342484+2586)/2103098Stefano Morozzi09/2020
91552^342476+51103096Lelio R Paula08/2011
91562^342460-18885103091Enzo Doria05/2013
9157(2^342442+862)/2103086Stefano Morozzi02/2021
9158(194*10^103074-17)/3103076Robert Price09/2020
91597^121968+82103075Lelio R Paula10/2016
91602^342392-108863103071Enzo Doria03/2014
9161(2^342389+806)/2103070Stefano Morozzi01/2021
91623^216014+28103065Lelio R Paula11/2016
91632^342353-108879103059Enzo Doria03/2014
916410^103055+276081103056Patrick De Geest12/2016
916510^103055-53103055Lelio R Paula11/2016
9166(58*10^103046+419)/9103047Robert Price05/2019
91677^121933+4103046Lelio R Paula11/2014
9168(71*10^103028-143)/9103029Robert Price10/2021
9169(2^342235+3618)/2103023Stefano Morozzi09/2020
917019^80560-68103017Lelio R Paula10/2016
91712^342209+76607103016Enzo Doria05/2016
9173328^40945+40945^328103013Norbert Schneider12/2014
917212^95454-91103013Lelio R Paula10/2016
917425833^9716+9716^25833103009Hans Havermann01/2019
9175(893*10^103004+7)/9103006Robert Price06/2021
9176(1475^32503-1)/1474102993Serge Batalov06/2022
917765^56809-64^56809102990Robert Price08/2013
91785^147338-6102985Lelio R Paula11/2014
91792^342084-112739102978Enzo Doria06/2014
91809*6^132330+7102974Lelio R Paula11/2014
91812^342034-16737102963Enzo Doria05/2013
9182(9787*2^342011-1)/25102959Lelio R Paula05/2015
9183(3^215802-5)/124343756102956Lelio R Paula12/2013
91842^341991-17421102950Enzo Doria05/2013
91852^341969-112225102943Enzo Doria06/2014
9186(9787*2^341864-1)/3102915Lelio R Paula05/2015
91872^341859+1869413102910Enzo Doria05/2016
918810^102909+61102910Lelio R Paula11/2016
918910^102909-67049102909Patrick De Geest12/2016
919023814^20935+20935^23814102898Hans Havermann02/2019
919128345^4264+4264^28345102888Hans Havermann02/2019
919225665^10204+10204^25665102886Hans Havermann02/2019
919326288^8181+8181^26288102860Hans Havermann02/2019
91942^341659+1836773102850Enzo Doria03/2016
91952^341608-110639102835Enzo Doria05/2014
919610^102824+49102825Lelio R Paula11/2016
919710^102824-168011102824Patrick De Geest12/2016
9198(156^46877-1)/155102805Anonymous06/2024
919911^98708-8102794Lelio R Paula10/2016
92002^341466+4429102792Lelio R Paula09/2011
92012^341460-107102790Lelio R Paula08/2011
9202(2^341388+47)/21014943102761Lelio R Paula12/2013
92032^341355+21102759Lelio R Paula08/2011
92042^341319+224885102748Enzo Doria07/2024
9205(419^39181-1)/418102739Tom Wu07/2024
9206(6496^26947-1)/6495102736Serge Batalov06/2022
92072^341246+40755102726Lelio R Paula11/2016
9208(2^341256-5)/991699102723Lelio R Paula12/2013
92097^121547+78102720Lelio R Paula10/2016
92102^341223-461197102719Enzo Doria06/2015
921127838^4893+4893^27838102711Hans Havermann03/2019
92132^341190-20577102709Enzo Doria06/2013
9212(27*2^341212+1)/84674449102709Lelio R Paula12/2013
9214(25*10^102698+77)/3102699Robert Price09/2022
92156^131976-65102698Lelio R Paula10/2016
92162^341134+2533102692Henri Lifchitz09/2005
921713^92184-54102688Lelio R Paula10/2016
92182^341116-20873102687Enzo Doria06/2013
92192^341094-19953102680Enzo Doria06/2013
922023761^20950+20950^23761102676Hans Havermann03/2019
92222^341053+129102668Lelio R Paula08/2011
9221(4724^27943-1)/4723102668Serge Batalov06/2022
9224(31*2^341006-1)/3102655Lelio R Paula03/2014
92237^121471+94102655Lelio R Paula10/2016
92262^341004-173102653Lelio R Paula08/2011
922520^78901+3102653Lelio R Paula10/2016
9227(2^341001+1674)/2102652Stefano Morozzi09/2020
92285^146853-52102646Lelio R Paula10/2016
92292^340969-216931102642Enzo Doria05/2014
9230122^49196+121102641Norbert Schneider10/2018
92312^340952+1870021102637Enzo Doria05/2016
92325*2^340940-3102634Lelio R Paula08/2014
9233(6^131891+1)/7102631Paul Bourdelais01/2010
9234(11*10^102629-23)/3102630Robert Price09/2021
92353^215094+5*2^215094102626Jon Grantham08/2023
923625876^9239+9239^25876102615Hans Havermann02/2019
9237(4*10^102612+83)/3102613Robert Price02/2018
9238(234^43313-1)/20184091102611Aurel Gibier03/2025
924075^54717+74102598Norbert Schneider01/2015
9239(17*10^102597+13)/3102598Robert Price01/2019
92412^340806-20393102593Enzo Doria06/2013
9242(2^340790+5)/138267102583Lelio R Paula12/2013
92436^131821+77102577Lelio R Paula10/2016
9244(203*10^102561-11)/3102563Robert Price12/2020
9245(67^56171-1)/2053280351166102561Paul Vanderveen05/2025
92462^340688-29102558Henri Lifchitz05/2005
92472^340685-109101102557Enzo Doria04/2014
924865^56567-64102552Norbert Schneider11/2014
924926230^8121+8121^26230102550Hans Havermann03/2019
9250(64*10^102547+161)/9102548Robert Price08/2022


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: December, 07 2025 14:23 (Time in France)

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